The review introduces the Institute and showcases highlights from across the Institute in 2021 and 2022. Following a welcome by the Institute Director, key facts and figures are provided in infographic summaries of performance. Our research group leaders and facility heads are introduced, with updates provided from each of our three research programmes: Immunology, Signalling and Epigenetics. Five spotlight features bring the Institute’s research to life, focusing on individual research groups, particularly those new to the Institute, and exploring their work in relation to the Institute’s central mission of undertaking world-leading research to deliver lifelong health.